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SB INTERSTATE 280 over 7TH STREET, ON-RAMP

Map

Coordinates:
+37.32833, -121.87500
37°19'42" N, 121°52'30" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:SB INTERSTATE 280 over 7TH STREET, ON-RAMP
Structure number:37 0280L
Location:04-SCL-280-R1.55-SJS
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:138.5 ft. [42.2 m]
Total length:607.0 ft. [185.0 m]
Roadway width between curbs:65.9 ft. [20.1 m]
Deck width edge-to-edge:67.9 ft. [20.7 m]
Vertical clearance below bridge:15.7 ft. [4.8 m]
Skew angle:24°
Owner:State Highway Agency [01]
Year built:1972
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:5
Main spans material:Prestressed concrete continuous [6]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: January 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:108,000 [as of 2009]
Truck traffic:3% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:90.9 tons [82.6 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:79.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201779.0GoodGoodGoodGood-108000
January 201579.0GoodVery GoodVery GoodVery Good-108000
January 201379.0GoodGoodVery GoodGood-108000
January 201179.0GoodGoodVery GoodGood-105200
January 200976.0PoorPoorVery GoodGoodSD105200
January 200776.0PoorPoorVery GoodGoodSD105200
January 200576.0PoorPoorVery GoodGoodSD105200
January 200381.1FairFairVery GoodGood-96500
February 200179.0FairSatisfactoryVery GoodGood-106900
September 199664.0GoodGoodVery GoodGoodFO106900
September 199464.0GoodGoodGoodGoodFO105650
October 199264.0GoodGoodGoodGoodFO88550
December 198964.0GoodGoodGoodVery GoodFO88550